patch 8.0.0420: text garbled when the system encoding differs from 'encoding'

Problem:    When running :make the output may be in the system encoding,
            different from 'encoding'.
Solution:   Add the 'makeencoding' option. (Ken Takata)
diff --git a/src/proto/quickfix.pro b/src/proto/quickfix.pro
index d48eb25..995f41f 100644
--- a/src/proto/quickfix.pro
+++ b/src/proto/quickfix.pro
@@ -1,5 +1,5 @@
 /* quickfix.c */
-int qf_init(win_T *wp, char_u *efile, char_u *errorformat, int newlist, char_u *qf_title);
+int qf_init(win_T *wp, char_u *efile, char_u *errorformat, int newlist, char_u *qf_title, char_u *enc);
 void qf_free_all(win_T *wp);
 void copy_loclist(win_T *from, win_T *to);
 void qf_jump(qf_info_T *qi, int dir, int errornr, int forceit);